* {
    box-sizing: border-box;
    outline: 0px solid red;
}

html,
body {
    margin: 0;
    height: 100%;
}

html {
    font-size: 14px;
    font-family: arial, helvetica, "Noto Sans JP", sans-serif;
}

body {
    background:
        linear-gradient(rgb(209, 212, 237) 0%,
            transparent 20%),
        rgb(237, 241, 255);
    padding: 20px 0;
    overflow: hidden;
}

.line {
    text-decoration: line-through;
}

body.orange {
    background:
        linear-gradient(rgb(255, 215, 176) 0%,
            transparent 20%),
        rgb(255, 255, 237);
    color: rgb(135, 0, 0);
}

body.orange header {
    border: 1px solid rgb(135, 0, 0);
}

body.orange .wrapper {
    border: 1px solid rgb(135, 0, 0);
}

body.orange .title {
    color: rgb(128, 0, 0);
}

body.orange .sidebar h2 {
    color: rgb(135, 0, 0);
    background-color: rgb(255, 205, 171);
}

body.orange .navigation {
    background-color: rgb(255, 255, 255);
    border: 1px solid rgb(135, 0, 0);
}

body.orange .navigation ul {
    color: rgb(135, 0, 0);
}

body.orange .social {
    background-color: rgb(255, 255, 255);
    border: 1px solid rgb(135, 0, 0);
}

body.orange .social ul {
    color: rgb(0, 0, 237);
}

body.orange .theme {
    background-color: rgb(255, 255, 255);
    border: 1px solid rgb(135, 0, 0);
}

body.orange #themeSelect {
    color: rgb(135, 0, 0);
}

body.orange main a {
    color: rgb(0, 0, 237);
}

body.orange .article {
    background-color: rgb(240, 223, 213);
    box-shadow: 1px 1px rgb(217, 190, 182);
}

body.orange .postbtn {
    color: rgb(47, 44, 145);
}

body.orange .posttitle {
    color: rgb(204, 17, 4);
}

body.orange .postcontent img {
    border: 1px solid rgb(135, 0, 0);
}

body.orange .gallery img {
    border: 1px solid rgb(135, 0, 0);
}

body.orange .youtube iframe {
    border: 1px solid rgb(135, 0, 0);
}

body.orange .widget h2 {
    color: rgb(135, 0, 0);
}

body.orange .calendar {
    border: 1px solid rgb(135, 0, 0);
}

body.orange .calendar-days .today {
    background-color: rgb(135, 0, 0);
}

body.orange .weather {
    border: 1px solid rgb(135, 0, 0);
}

body.orange hr {
    border-top: 1px solid rgb(217, 190, 182);
}

body.orange .bottom {
    border-top: 1px solid rgb(135, 0, 0);
    color: rgb(135, 0, 0);
}



body.blood {
    background-size: 180px;
    color: rgb(176, 11, 16);
    background:
        linear-gradient(rgb(50, 0, 0) 0%,
            transparent 20%),
        rgb(0, 0, 0);
}

body.blood .wrapper {
    border: 1px solid rgb(90, 0, 0);
}

body.blood header {
    border: 1px solid rgb(90, 0, 0);
    background-image: url(image/lain/laininthedark.jpg);
    background-size: cover;
    background-position-y: 70%;
}

body.blood h1 {
    color: rgb(176, 11, 16);
}

body.blood .sidebar h2 {
    background-color: rgb(90, 0, 0);
    color: rgb(231, 231, 231);
}

body.blood .navigation {
    background: none;
    border: 1px solid rgb(90, 0, 0);
}

body.blood .navigation ul {
    color: rgb(176, 11, 16);
}

body.blood .social {
    background: none;
    border: 1px solid rgb(90, 0, 0);
}

body.blood .social ul {
    color: rgb(255, 0, 0);
}

body.blood .theme {
    background: none;
    border: 1px solid rgb(90, 0, 0);
}

body.blood #themeSelect {
    color: rgb(176, 11, 16);
}

body.blood main a {
    color: rgb(255, 0, 0);
}

body.blood main a:hover {
    text-decoration: underline !important;
}

body.blood .article {
    background-color: rgba(20, 0, 0);
    box-shadow: 1px 1px rgb(10, 0, 0);
}

body.blood .postbtn {
    color: rgb(135, 0, 0);
}

body.blood .posttitle {
    color: rgb(214, 8, 15);
}

body.blood .pin {
    content: url(image/thumbtack-svgrepo-com2.png);
}

body.blood .postcontent img {
    border: 1px solid rgb(135, 0, 0);
}

body.blood .gallery img {
    border: 1px solid rgb(135, 0, 0);
}

body.blood .youtube iframe {
    border: 1px solid rgb(135, 0, 0);
}

body.blood .widget {
    color: rgb(176, 11, 16);
}

body.blood .widget h2 {
    color: rgb(176, 11, 16);
}

body.blood .calendar {
    border: 1px solid rgb(135, 0, 0);
    background-color: rgb(0, 0, 0);
}

body.blood .calendar-days .today {
    background-color: rgb(135, 0, 0);
}

body.blood .weather {
    border: 1px solid rgb(135, 0, 0);
    background-color: rgb(0, 0, 0);
}

body.blood hr {
    border-top: 1px solid rgb(90, 0, 0);
}

body.blood .bottom {
    border-top: 1px solid rgb(90, 0, 0);
    color: rgb(176, 11, 16);
}



body.green {
    background:
        linear-gradient(rgb(150, 217, 224) 0%,
            transparent 20%),
        rgb(209, 255, 237);
}

body.green .wrapper {
    border: 1px solid rgb(0, 119, 135);
}

body.green header {
    border: 1px solid rgb(0, 119, 135);
}

body.green .sidebar h2 {
    background-color: rgb(0, 119, 135);
    color: rgb(255, 255, 237);
}

body.green .navigation {
    background-color: rgb(255, 255, 255);
    border: 1px solid rgb(0, 119, 135);
}

body.green .navigation ul {
    color: rgb(0, 119, 135);
}

body.green .social {
    background-color: rgb(255, 255, 255);
    border: 1px solid rgb(0, 119, 135);
}

body.green .social ul {
    color: rgb(0, 0, 237);
}

body.green .theme {
    background-color: rgb(255, 255, 255);
    border: 1px solid rgb(0, 119, 135);
}

body.green #themeSelect {
    color: rgb(0, 119, 135);
}

body.green main a {
    color: rgb(0, 119, 135);
}

body.green .title {
    color: rgb(128, 0, 0);
}

body.green .article {
    background-color: rgb(182, 221, 222);
    box-shadow: 1px 1px rgb(143, 203, 204);
}

body.green .postbtn {
    color: rgb(36, 123, 143);
}

body.green .posttitle {
    color: rgb(0, 98, 122);
}

body.green .postcontent img {
    border: 1px solid rgb(0, 119, 135);
}

body.green .gallery img {
    border: 1px solid rgb(0, 119, 135);
}

body.green .youtube iframe {
    border: 1px solid rgb(0, 119, 135);
}

body.green .widget {
    color: rgb(0, 119, 135);
}

body.green .widget h2 {
    color: rgb(0, 119, 135);
}

body.green .calendar {
    border: 1px solid rgb(0, 119, 135);
    background-color: rgb(255, 255, 255);
}

body.green .calendar-days .today {
    background-color: rgb(0, 119, 135);
}

body.green .weather {
    border: 1px solid rgb(0, 119, 135);
    background-color: rgb(255, 255, 255);
}

body.green hr {
    border-top: 1px solid rgb(182, 217, 197);
}

body.green .bottom {
    border-top: 1px solid rgb(0, 119, 135);
    color: rgb(0, 119, 135);
}



.wrapper {
    width: 100%;
    max-width: 630px;
    height: calc(100vh - 40px);
    margin: 0px auto;
    display: flex;
    flex-direction: column;
    border: 1px solid #000333;
}

a {
    text-decoration: none;
    color: inherit;
    cursor: pointer;
}

a:hover {
    text-decoration: underline;
}

a img {
    display: block;
}

.menu-button {
    display: none;
    position: fixed;

    background: transparent;
    border: none;
}

header {
    height: 150px;
    flex-shrink: 0;
    display: flex;
    justify-content: left;
    align-items: flex-end;
    border: 1px solid rgb(52, 52, 92);
    background: linear-gradient(transparent 100%, rgba(0, 0, 0, 0.5) 100%),
        url(image/bd093835-8484-4c8b-afc2-0c2fad06a419-x4.jpg);
    background-size: cover;
    background-position-y: 90%;
    padding: 0px 10px;
    margin: 10px 10px 0;
}

h1 {
    color: rgb(255, 255, 255);
    text-shadow:
        1px 0 0 black,
        -1px 0 0 black,
        0 1px 0 black,
        0 -1px 0 black,
        1px 1px 0 black,
        -1px 1px 0 black,
        1px -1px 0 black,
        -1px -1px 0 black;
    font-size: 3.5rem;
    font-weight: bold;
    margin: 0;
    letter-spacing: -2px;
}

h1 a:hover {
    text-decoration: none;
}

.container {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 0;
}

.contents {
    flex: 1;
    display: flex;
    min-height: 0;
}

.contents a:hover {
    text-decoration: underline;
}

h2 {
    color: #0f0c5d;
}

h3 {
    color: #0f0c5d;
    font-size: 1rem;
}



.sidebar {
    width: 120px;
    height: auto;
    flex-shrink: 0;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    text-align: left;
    gap: 8px;
    margin: 8px 0 8px 10px;
}

.sidebar h2 {
    margin: 0;
    width: 100%;
    padding: 4px 5px 2px;
    border: 0px solid #000333;
    background-color: rgb(152, 135, 237);
    font-size: 17px;
}


.navigation {
    background-color: rgb(213, 217, 240);
    border: 1px solid #000333;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.navigation b {
    text-decoration: underline;
}

.contents a:hover {
    color: rgb(255, 0, 0);
}

.nav {
    overflow-y: auto;
}

.navigation ul {
    list-style: none;
    padding: 0;
    margin: 5px;
    color: rgb(52, 52, 92);
    line-height: 1.3;
}

.hide {
    display: none;
}


.social {
    background-color: rgb(213, 217, 240);
    border: 1px solid #000333;
    display: flex;
    flex-direction: column;
}

.social ul {
    list-style: none;
    padding: 0;
    margin: 5px;
    color: rgb(255, 0, 0);
    line-height: 1.3;
}

#themeSelect {
    font-family: inherit;
    color: rgb(52, 52, 92);
    background-color: transparent;
    border: 0px solid #000000;
    font-size: 1rem;
    margin: 5px 2px;
    line-height: 1.3;
}

.theme {
    background-color: rgb(213, 217, 240);
    border: 1px solid #000333;
}

main {
    display: flex;
    flex-direction: column;
    flex: 1;
    border-left: 0px solid #000333;
    min-height: 0;
}

main img {
    max-width: 100%;
}

.mainarea {
    display: flex;
    flex: 1;
    flex-direction: column;
    gap: 7px;
    overflow-y: auto;
    scrollbar-gutter: stable;
    padding: 10px 0 11px 10px;
    text-align: left;
}

.mainarea hr {
    width: 100%;
    margin: 4px 0 3px;
}

.title {
    margin: 10px auto 10px;
    background-color: none;
    border: 0px solid #000333;
    color: rgb(176, 11, 16);
    font-size: 28px;
    font-weight: bold;
    letter-spacing: -2px;
    font-family: Tahoma, sans-serif;
}

main hr {
    border: none;
    border-top: 1px solid rgb(182, 197, 217);
    height: 0px;
    width: calc(100% - 20px);
    margin: 0 auto;
}

main a {
    color: rgb(52, 52, 92);
}

main a:hover {
    color: rgb(255, 0, 0);
    text-decoration: none !important;
}

.sidebar hr {
    border: none;
    border-top: 1px solid rgb(155, 168, 185);
    height: 0px;
    width: 100%;
    margin: 0 auto;
}

.article {
    background-color: rgb(213, 217, 240);
    box-shadow: 1px 1px #b7c5d9;
    max-width: calc(100% - 1px);
    width: fit-content;
    min-width: 70%;
}

.postinfo {
    margin: 5px 5px 0;
}

.postbtn {
    color: rgb(83, 84, 120);
}

.posttitle {
    color: rgb(15, 12, 92);
    font-size: 1rem;
    font-weight: bold;
    margin: 0 5px;
}

.pin {
    width: 16px;
    height: 16px;
    margin-bottom: -3px;
    content: url(image/thumbtack-svgrepo-com.png);
}

.postcontent {
    padding: 10px 20px 15px;
    display: flow-root;
    line-height: 16px;
}

.postcontent img {
    width: 200px;
    height: auto;
    border: 1px solid rgb(52, 52, 92);
    float: left;
    margin-right: 10px;
}

p {
    margin: 0;
}

ol,
ul {
    margin: 0;
    padding: 0;
}

ul li {
    list-style: none;
}

main ul li::before {
    content: "•";
    margin-right: 10px;
}

li {
    list-style-position: inside;
}


.widget {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    padding: 10px 20px 15px;
}

.calendar {
    width: 180px;
    height: auto;
    padding: 10px;
    border: 1px solid #000333;
    background-color: rgb(255, 255, 255);
}

.calendar h2 {
    margin: 0 0 6px;
    text-align: center;
    font-size: 15px;
    color: black;
}

.calendar-weekdays,
.calendar-days {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    text-align: center;
}

.calendar-weekdays {
    margin-bottom: 2px;
    font-size: 10px;
}

.calendar-days div {
    height: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
}

/* 今日 */
.calendar-days .today {
    width: 20px;
    height: 20px;
    margin: auto;
    border-radius: 50%;
    background-color: #333;
    color: white;
}


.weather {
    width: 180px;
    padding-top: 10px;
    text-align: center;
    background-color: rgb(255, 255, 255);
    border: 1px solid #000333;
}

.weather h2 {
    margin: 0 0 5px;
    color: black;
    font-size: 15px;
}

.weather img {
    width: 80px;
    height: 60px;
    margin: 0;
}

.weather p {
    margin: 0 0 10px;
}



.guestbook iframe {
    width: 100%;
    height: 100%;
    outline: 0px solid red;
}


.youtube {
    padding: 10px 20px 15px;
}

.youtube iframe {
    aspect-ratio: 16 / 9;
    width: 500px;
    max-width: 100%;
    height: auto;
    border: 1px solid rgb(52, 52, 92);
}


.profile {
    display: flex;
    gap: 10px;
    flex-direction: column;
    align-items: center;
    padding: 10px 20px 15px;
}

.icon {
    width: 130px;
    height: 130px;
    overflow: hidden;
    border-radius: 50%;
}

.icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: translate(-18px, -8px) scale(1.3);
}

.profile-detail {
    display: flex;
    gap: 5px;
}

.profile-detail-left {
    text-align: right;
}

.profile-detail-right {
    text-align: left;
}

.rika {
    padding: 10px 20px 15px;
}

.rika img {
    width: 300px;
}

.gallery {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    padding: 10px 20px 15px;
}

.gallery img {
    width: auto;
    max-height: 400px;
    border: 1px solid rgb(52, 52, 92);
}


.image-popup {
    display: none;

    position: fixed;
    inset: 0;

    background: rgba(0, 0, 0, 0.8);

    justify-content: center;
    align-items: center;

    z-index: 1000;
}

.image-popup.open {
    display: flex;
}

#popupImage {
    max-width: 80%;
    max-height: 80%;
    object-fit: contain;
}

.popup-image {
    cursor: pointer;
}

#prevButton,
#nextButton,
#closeButton {
    position: absolute;
    border: none;
    background: none;
    color: white;
    cursor: pointer;
}

#prevButton,
#nextButton {
    top: 50%;
    transform: translateY(-50%);
    font-size: 50px;
}

#prevButton {
    left: 20px;
}

#nextButton {
    right: 20px;
}

#closeButton {
    top: 20px;
    right: 30px;
    font-size: 40px;
}


.graphic {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 3px;
    padding: 10px;
}

.graphic img {
    max-width: 100px;
}

.button img {
    width: 88px;
    height: 31px;
}

.bottom {
    display: flex;
    justify-content: space-between;
    padding: 5px;
    border-top: 1px solid #000333;
    color: rgb(0, 3, 51);
}

.overlay {
    position: fixed;
    inset: 0;

    width: 100%;
    height: 100vh;

    background: rgba(0, 0, 0, 0.5);

    opacity: 0;
    pointer-events: none;

    z-index: 50;
}

.overlay.open {
    opacity: 1;
    pointer-events: auto;
}

/* PC */
@media (min-width: 630px) {

    ::-webkit-scrollbar {
        width: 10px;
    }

    ::-webkit-scrollbar-thumb {
        background: rgb(140, 140, 140);
        border-radius: 999px;
        border: 2px solid transparent;
        background-clip: padding-box;
    }

    ::-webkit-scrollbar-thumb:hover {
        background: rgb(99, 99, 99);
        border: 2px solid transparent;
        background-clip: padding-box;
    }

    ::-webkit-scrollbar-track {
        background: none;
    }

}

@media (max-width: 629px) {

    html {
        font-size: 16px;
    }

    .menu-button {
        display: block;
        width: 50px;
        height: 50px;
        z-index: 200;
    }

    .menu-button span {
        display: block;
        width: 36px;
        height: 2px;
        background: rgb(255, 255, 255);
        margin: 9px auto;
        transition: 0.2s;
    }

    .menu-button.open span {
        background-color: rgb(0, 0, 0);
    }

    .menu-button.open span:nth-child(1) {
        transform: translateY(11px) rotate(45deg);
    }

    .menu-button.open span:nth-child(2) {
        opacity: 0;
    }

    .menu-button.open span:nth-child(3) {
        transform: translateY(-11px) rotate(-45deg);
    }

    body {
        padding: 0;
    }

    .wrapper {
        border: none;
        height: 100vh;
    }

    header {
        margin: 0;
        border-width: 0 0 1px;
    }

    body.orange header {
        border-width: 0 0 1px;
    }

    body.blood header {
        border-width: 0 0 1px;
    }

    body.green header {
        border-width: 0 0 1px;
    }

    body.orange .wrapper {
        border: none;
    }

    body.blood .wrapper {
        border: none;
    }

    body.green .wrapper {
        border: none;
    }

    .sidebar {
        position: fixed;
        top: 0;
        left: 0;

        margin: 0;

        font-size: 1.3rem;

        width: 200px;
        height: 100vh;

        background-color: #d6daf0;

        transform: translateX(-100%);
        transition: 0.3s;

        z-index: 100;

        gap: 0;
    }

    .sidebar h2 {
        font-size: 1.8rem;
        line-height: 170%;
        padding: 0;
        text-align: center;
    }

    body.orange .sidebar {
        background-color: rgb(255, 255, 255);
    }

    body.blood .sidebar {
        background-color: rgb(0, 0, 0);
    }

    body.green .sidebar {
        background-color: rgb(255, 255, 255);
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .navigation {
        border: none;
    }

    .social {
        border-width: 1px 0 0;
    }

    .theme {
        border-width: 1px 0 0;
    }

    #themeSelect {
        font-size: 1.3rem;
    }

    body.orange .navigation {
        border: none;
    }

    body.orange .social {
        border-width: 1px 0 0;
    }

    body.orange .theme {
        border-width: 1px 0 0;
    }

    body.blood .navigation {
        border: none;
    }

    body.blood .social {
        border: solid rgb(255, 255, 255);
        border-width: 1px 0 0;
    }

    body.blood .theme {
        border: solid rgb(255, 255, 255);
        border-width: 1px 0 0;
    }

    body.green .navigation {
        border: none;
    }

    body.green .social {
        border: solid rgb(0, 0, 0);
        border-width: 1px 0 0;
    }

    body.green .theme {
        border: solid rgb(0, 0, 0);
        border-width: 1px 0 0;
    }

    main {
        border-left: 0;
    }

    .mainarea {
        padding-right: 10px;
    }

    body.orange main {
        border-left: 0;
    }

    body.blood main {
        border-left: 0;
    }

}