/* ===== CSS Reset / Initial ===== */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* ===== Base ===== */
html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: 'Noto Sans JP', sans-serif;
    line-height: 1.8;
    color: #000;
    font-size: 16px;
    margin: 0;
    font-weight: 400;
    overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    line-height: 1.3;
}

/* ===== Image ===== */
img,
picture,
video,
canvas,
svg {
    display: block;
    max-width: 100%;
}

/* ===== Form ===== */
input,
button,
textarea,
select {
    font: inherit;
}

/* ===== Link ===== */
a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

a:hover {
    opacity: 0.8;
}

/* ===== List ===== */
ul,
ol {
    list-style: none;
}



/* CONTENT */
/* header */
.site-header {
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 100;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 5px 20px;
    background: #fff;
    border-radius: 50px;
    margin: 40px auto 0;
    width: 1200px;
    max-width: 80%;
    gap: 20px;
    position: relative;
    z-index: 10;
    box-shadow: 3px 3px 7px rgba(0, 0, 0, 0.1);
}

.header-left {
    display: flex;
    align-items: center;
    gap: 5px;
}

.logo {
    max-width: 70px;
}

.site-title {
    padding: 0 20px;
}

.site-title h1 {
    color: #640026;
    font-size: 19px;
    font-weight: 900;
}

.site-title h1 span {
    font-size: 170%;
}

.site-title p {
    color: #E0576A;
    font-size: 11.7px;
    padding-left: 3%;
    white-space: nowrap;
    font-weight: 600;
    margin-bottom: 5px;
}

.fv .logo {
    max-width: 6%;
    position: absolute;
    left: 2%;
    top: 45px;
    z-index: 101;
}

/* PC menu */
.pc-nav {
    padding: 0 20px;
}

.pc-nav ul {
    display: flex;
    gap: 30px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.pc-nav a {
    text-decoration: none;
    font-weight: 900;
    color: #7b002c;
}

/* hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    border: none;
    background: none;
    cursor: pointer;
    color: #7b002c;
}

/* hamburger icon */
.hamburger-icon {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.hamburger-icon span {
    width: 28px;
    height: 2px;
    background: #7b002c;
    display: block;
    transition: .3s;
}

/* hamburger text */
.hamburger-text {
    font-size: 9px;
    letter-spacing: .1em;
    line-height: 0;
    font-weight: 900;
}

/* hamburger animation */
.hamburger.active .hamburger-icon span:nth-child(1) {
    transform: rotate(45deg) translate(4px, 5px);
}

.hamburger.active .hamburger-icon span:nth-child(2) {
    transform: rotate(-45deg) translate(1px, -2px);
}


.hamburger.active .hamburger-text {
    display: none;
}


/* overlay */
.menu-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    opacity: 0;
    visibility: hidden;
    transition: .3s;
    z-index: 9;
}

.menu-overlay.show {
    opacity: 1;
    visibility: visible;
}

/* sp menu */
.sp-menu {
    position: fixed;
    top: 76px;
    left: 50%;
    transform: translateX(-50%) translateY(-10px);
    width: 90%;
    background: #fff;
    border-radius: 0 0 25px 25px;
    opacity: 0;
    visibility: hidden;
    transition: .35s ease;
    z-index: -1;
    width: 1200px;
    max-width: 80%;
}

.sp-menu ul {
    list-style: none;
    padding: 50px 0 0;
    margin: 0;
}

.sp-menu li {
    border-bottom: 1px solid #eee;
}

.sp-menu li:first-child {
    border-top: 1px solid #eee;
}

.sp-menu li:last-child {
    border: none;
}

.pc-nav li:last-child {
    display: none;
}

.sp-menu a {
    display: block;
    padding: 18px;
    text-decoration: none;
    font-weight: 900;
    color: #7b002c;
    text-align: center;
    position: relative;
}

.sp-menu a::after {
    content: "";
    position: absolute;
    right: 40px;
    top: 50%;
    width: 8px;
    height: 8px;
    border-top: 2px solid #7b002c;
    border-right: 2px solid #7b002c;
    transform: translateY(-50%) rotate(45deg);
}

/* open animation */
.sp-menu.show {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.sp {
    display: none;
}

/* FV */
.fv img {
    width: 100%;
}

.cs-line {
    margin-top: -3%;
    position: relative;
    z-index: 2;
}

.cs-line2 {
    margin-top: 0;
}

/* responsive */
@media (max-width:1024px) {
    .pc-nav {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    .sp-menu {
        max-width: 80%;
        top: 65px
    }

    .header-inner {
        margin-top: 30px;
    }
}

@media (max-width:768px) {

    body {
        font-size: 3.5vw;
    }

    .sp {
        display: block;
    }

    .pc {
        display: none;
    }

    .sp-menu {
        top: 40px;
        max-width: 90%;
    }

    .sp-menu ul {
        padding-top: 30px;
    }

    .header-inner {
        margin-top: 7px;
        gap: 10px 0;
        padding: 10px 20px;
        max-width: 90%;
    }

    .logo {
        max-width: 42px;
    }

    .site-title h1 {
        font-size: 11.5px;
        text-align: center;
        line-height: 1;
        margin-bottom: 4px;
        letter-spacing: 0.05em;
    }

    .site-title p {
        font-size: 5.2px;
        line-height: 1;
        padding-left: 2%;
        margin-bottom: 0;
    }

    .site-title {
        padding: 0;
    }

    .cs-line {
        margin-top: -11%;
    }
}

.container {
    background-image: url("../image/bg1.png");
    background-size: 120%;
    background-repeat: repeat-y;
    background-position: center;
}

.inner-container {
    max-width: 1000px;
    margin: auto;
}

/* section background */
.section {
    padding: 120px 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    margin-top: -3%;
    gap: 100px;
}

.section>div {
    padding: 0 30px;
    scroll-margin-top: 130px;
}

.about-section {
    padding: 120px 0;
}

/* white card */
.about-card {
    background: #fff;
    border-radius: 40px;
    width: 100%;
    padding: 60px 50px 0;
    text-align: center;
    box-shadow: 8px 9px 15px rgba(0, 0, 0, 0.4);
    margin: 0 auto;
    max-width: 1000px;
    font-weight: 600;
}

/* title */
.about-title,
.anniversary {
    font-size: 75px;
    font-weight: 800;
    margin-bottom: 30px;
    letter-spacing: -0.01em;
}

.about-title span:nth-child(odd),
.anniversary span:nth-child(odd) {
    color: #E4576C;
}

.about-title span:nth-child(even),
.anniversary span:nth-child(even) {
    color: #F4A008;
}

/* text */
.about-text {
    color: #610225;
    margin-bottom: 20px;
}

/* flag */
.flag-area {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin: 40px 0;
}

.flag-area img {
    width: 220px;
    /* box-shadow: 0 8px 15px rgba(0, 0, 0, 0.15); */
}

/* anniversary */
.anniversary {
    line-height: 0.95;
    margin-bottom: 0;
}


/* responsive */
@media (max-width:768px) {
    .container {
        background-size: 180%;
    }

    .section>div {
        padding: 0 6%;
        scroll-margin-top: 13vw;
    }

    .section {
        padding: 5vw 0 14vw;
        gap: 17vw 0;
    }

    .about-card {
        padding: 4vw 5vw 0;
        border-radius: 20px;
    }

    .about-title {
        font-size: 15vw;
    }

    .anniversary {
        font-size: 7.8vw;
    }

    .flag-area img {
        width: 130px;
    }

}

@media (max-width:450px) {
    .section>div {
        scroll-margin-top: 23vw;
    }
}


.okinawa-hawaii {
    position: relative;
    padding: 120px 20px;
    text-align: center;
    color: #fff;
    font-weight: 600;
}

/* vertical text */
.okinawa-hawaii .side-text {
    position: absolute;
    left: 40px;
    font-size: 110px;
    font-weight: 800;
    line-height: 1;
    color: #fff;
    letter-spacing: 6px;
    writing-mode: vertical-rl;
    text-orientation: mixed;
    text-transform: uppercase;
    top: 10%;
}

.okinawa-hawaii .side-text.left {
    left: -7px;
}

.okinawa-hawaii .side-text.right {
    right: -7px;
    left: auto;
    writing-mode: vertical-rl;
    transform: rotate(180deg);
}

/* title */
.section-title {
    font-size: 55px;
    margin-bottom: 20px;
    color: #fff;
}

.section-sub-title {
    font-size: 22px;
    margin-bottom: 50px;
    margin-top: -1.5%;
    color: #fff;
    font-weight: 600;
}

.okinawa-hawaii .section-desc {
    color: #fff;
    line-height: 1.8;
    margin: 0 auto 25px;
}

/* cards */
.okinawa-hawaii .card-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 60px;
    position: relative;
    z-index: 1;
}

.okinawa-hawaii .card img {
    width: 100%;
    display: block;
}

/* button */
.okinawa-hawaii .btn-area {
    margin-top: 50px;
}

.okinawa-hawaii .read-btn {
    display: inline-block;
    padding: 16px 40px;
    background: #fff;
    border-radius: 40px;
    text-decoration: none;
    font-size: 25px;
    font-weight: 800;
    color: #E0576A;
    /* box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15); */
    transition: all .3s ease;
    max-width: 400px;
    width: 100%;
    position: relative;
    line-height: 1.3;
}

.okinawa-hawaii .read-btn::after {
    content: "";
    position: absolute;
    right: 30px;
    top: 50%;
    width: 8px;
    height: 8px;
    border-top: 3px solid #E0576A;
    border-right: 3px solid #E0576A;
    transform: translateY(-50%) rotate(45deg);
}

.okinawa-hawaii .read-btn:hover {
    transform: translateY(-3px);
    opacity: 1;
}


@media (max-width:768px) {
    .section-title {
        font-size: 9vw;
    }

    .okinawa-hawaii .side-text {
        writing-mode: unset;
        position: relative;
        font-size: 17vw;
        text-align: left;
        margin-left: -8%;
        left: 0;
        margin-top: 11%;
        letter-spacing: -0.01em;
    }

    .okinawa-hawaii .side-text.bottom {
        text-align: right;
        margin-left: 0;
        margin-right: -8%;
        margin-top: 4%;
    }

    .okinawa-hawaii .card-grid {
        margin-top: 5%;
        grid-template-columns: repeat(2, 1fr);
    }

    .okinawa-hawaii .read-btn {
        font-size: 5.5vw;
        border-radius: 15vw;
        max-width: 80%;
    }

    .okinawa-hawaii .read-btn::after {
        width: 15px;
        height: 15px;
        border-width: 6px;
        right: 7%;
    }
}

@media (max-width:767px) {
    .okinawa-hawaii .card-grid {
        grid-template-columns: 1fr;
    }
}


.movie {
    padding: 120px 20px;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.movie .section-title {
    margin-bottom: 0.5%;
}

/* item */
.movie .movie-item:not(:last-child) {
    margin-bottom: 60px;
}

.movie .movie-caption {
    color: #fff;
    font-size: 20px;
    line-height: 1.5;
    margin-bottom: 20px;
    font-weight: 700;
}

/* video card */
.movie .movie-thumb {
    border-radius: 14px;
    overflow: hidden;
    /* box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2); */
}

.movie .movie-thumb img {
    width: 100%;
    display: block;
}

.movie .movie-thumb a:hover{
    opacity: 1;
}

@media (max-width:768px) {
    .movie {
        margin-top: -10vw;
    }

    .movie .movie-caption {
        font-size: 3.6vw;
    }

    .movie .movie-thumb {
        border-radius: 8px;
    }
}

.site-footer {
    position: relative;
    padding-top: 45px;
    background-image: url("../image/footer-bg.png");
    background-size: 100% auto;
    background-position: center top;
    background-repeat: no-repeat;
}

.site-footer .site-title {
    padding: 0 10px;
}

/* content */
.footer-inner {
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: auto;
    padding: 35px 20px 45px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: #fff;
}

.footer-left {
    display: flex;
    align-items: center;
    gap: 10px;
}

/* logo */
.footer-logo img {
    width: 100px;
}

/* nav */
.footer-nav ul {
    display: flex;
    gap: 30px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.footer-nav a {
    text-decoration: none;
    font-size: 14px;
    font-weight: 700;
    color: #7b002c;
    letter-spacing: 1px;
}

@media (max-width:768px) {
    .site-footer {
        padding-top: 10px;
    }

    .footer-logo img {
        width: 90px;
    }

    .footer-inner {
        flex-direction: column;
        gap: 10px;
        padding: 20px 20px 40px;
    }

    .footer-nav {
        max-width: 100%;
    }

    .footer-nav ul {
        flex-wrap: wrap;
        justify-content: center;
        gap: 0 25px;
    }

    .site-footer .site-title h1 {
        font-size: 13.5px;
    }

    .site-footer .site-title p {
        font-size: 8.3px;
    }

    .footer-nav a {
        font-size: 13px;
    }
}

@media (max-width:450px) {
    .footer-logo img {
        width: 20vw;
    }

    .footer-nav {
        max-width: 75%;
        margin-left: 6%;
    }

    .site-footer .site-title h1 {
        font-size: 3.3vw;
    }

    .footer-left {
        gap: 0;
    }

    .site-footer .site-title p {
        font-size: 2.1vw;
    }

    .footer-nav ul {
        justify-content: start;
    }

    .footer-nav a {
        font-size: 3.5vw;
    }
}