@charset "utf-8";

/* Font & Template Imports
---------------------------------------------------------------------------*/
@import url("https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.2/css/all.min.css");
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@100..900&display=swap');
@import url('https://fonts.googleapis.com/css2?family=MonteCarlo&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Oswald:wght@200..700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Jost:ital,wght@0,100..900;1,100..900&display=swap');
/* slide.cssとinview.cssはJSで使われる可能性があるため残しますが、不要なら削除可能です */
@import url("slide.css");
@import url("inview.css");

/* CSS Custom Properties
---------------------------------------------------------------------------*/
:root {
	--base-color: #fff;
	--base-inverse-color: #323232;
	--primary-color: #C0C6DE;
	--primary-inverse-color: #323232;
	--space-large: 8vw;
}

/* Keyframes (アニメーション用)
---------------------------------------------------------------------------*/
@keyframes fadeIn { 0% {opacity: 0;} 100% {opacity: 1;} }
@keyframes fadeOut { 0% {opacity: 1;} 100% {opacity: 0;visibility: hidden;} }
@keyframes progress { 0% {transform: scaleX(0);} 100% {transform: scaleX(1);} }
@keyframes animation1 { 0% {right: -100vw;} 100% {right: 0px;} }
@keyframes menuItemFadeIn { from { opacity: 0; transform: translateY(15px); } to { opacity: 1; transform: translateY(0); } }

/* Global Styles & Resets
---------------------------------------------------------------------------*/
body * {box-sizing: border-box;}

html,body {
	font-size: 13px;
	min-height: 100%
}

body {
	margin: 0;padding:0;
	font-family: "Noto Sans JP", "Hiragino Mincho Pro", "ヒラギノ明朝 Pro W3", "HGS明朝E", "ＭＳ Ｐ明朝", "MS PMincho", serif;
	font-optical-sizing: auto;
	font-weight: 500;
	-webkit-text-size-adjust: none;
	background: var(--base-color);
	color: var(--base-inverse-color);
	line-height: 2;
}

figure, dd, nav ul, nav, ul, li, ol { margin: 0; padding: 0; }
nav ul {list-style: none;}
section li {margin-left: 1rem;}
table {border-collapse:collapse;}
img {border: none;max-width: 100%;height: auto;vertical-align: middle;}
iframe {width: 100%;}
input {font-size: 1rem;}
section {
	overflow-x: hidden;
	padding: var(--space-large);	
}

a {
	color: inherit;
	transition: 0.3s;
}
a:hover {
	text-decoration: none;
	opacity: 0.9;
}

/* Loading Screen (JSで使用される可能性があるため維持)
---------------------------------------------------------------------------*/
#loading {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--primary-color);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    animation: fadeOut 1s ease 2s forwards;
}
#loading img {
	width: 300px;
	margin-bottom: 20px;
}
.progress-container {
    width: 200px;
    height: 4px;
    border-radius: 2px;
    background: #fff;
    overflow: hidden;
}
.progress-bar {
    width: 100%;
    height: 100%;
    background: #000;
    animation: progress 2s linear;
    transform-origin: left;
}

/* Main Layout: Container, Header, Footer
---------------------------------------------------------------------------*/
#container {
	height: 100%;
	display: flex;
	flex-direction: column;
	justify-content: flex-start;
}

header {
	position: absolute;z-index: 1;
	left: 0px;
	top: 0px;
	width: 100%;
	flex-shrink: 0;
	display: flex;
	align-items: center;
	justify-content: space-between;
	height: 60px;
}

#logo img {
	display: block;
	width: 150px;
}
#logo {
	margin: 0;padding: 0;
	padding-left: 3vw;
	padding-top: 6vw;
}

footer {
	background: var(--primary-color);
	color: var(--primary-inverse-color);
	padding: 2rem;
	display: flex;
	flex-direction: column-reverse;
}
footer div:nth-of-type(1) {
    text-align: center;
}
footer div:nth-of-type(2) {
    flex: 1;
    display: flex;
    gap: 2rem;
}
footer ul {
	margin: 0;padding: 0;list-style: none;
	margin-bottom: 2rem;
}
footer small {
	display: block;
	padding-top: 2rem;
}
.icons {
	list-style: none;
	margin: 0;padding: 0;
	display: flex;
	justify-content: center;
	gap: 1rem;
}
.icons i {
	font-size: 30px;
}
.logopc {
    width: 350px;
}

/* Main Navigation (Desktop)
---------------------------------------------------------------------------*/
header nav ul {display: none;}

header nav ul ul,
.small-screen #menubar ul ul {
	animation: fadeIn 0.5s 0.1s both;
}
header nav ul ul {
	position: absolute;z-index: 100;
	margin-left: 1rem;
}
header nav ul ul a {
	padding: 0.3em 1em;
	margin-top: 4px;
	background: var(--base-color);
	color: var(--base-inverse-color);
	border: 1px solid var(--base-inverse-color);
	border-radius: 3px;
}

/* Hamburger Menu (Mobile)
---------------------------------------------------------------------------*/
#menubar {display: none;}
#menubar ul {list-style: none;margin: 0;padding: 0;}
#menubar a {display: block;text-decoration: none;}
.large-screen #menubar {display: block;}
.small-screen #menubar.display-block {display: block;}
#menubar_hdr.display-none {display: none;}
.ddmenu_parent ul {display: none;}

a.ddmenu::before {
	font-family: "Font Awesome 6 Free";
	content: "\f078";
	font-weight: bold;
	margin-right: 0.5em;
}

#menubar .logo {
	width: 200px;
}

/* Hamburger Menu Style (Bright/Stylish) */
.small-screen #menubar.display-block {
    position: fixed;overflow: auto;z-index: 100;
    right: 0px;top: 0px;
    width: 100%;
    height: 100%;
    padding: 2rem; /* 調整済み */
    background: var(--base-color);
    color: var(--base-inverse-color);
    animation: animation1 0.2s both;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}
#menubar .logo {
  position: absolute;
  top: 2rem;
  left: 50%;
  transform: translateX(-50%);
  width: 180px;
}
#menubar nav {
  width: 100%;
}
#menubar ul {
  text-align: center;
}
#menubar li {
  margin: 0;
  opacity: 0;
  transform: translateY(15px);
  animation: menuItemFadeIn 0.4s ease forwards;
}
#menubar li:nth-child(1) { animation-delay: 0.1s; }
#menubar li:nth-child(2) { animation-delay: 0.15s; }
#menubar li:nth-child(3) { animation-delay: 0.2s; }
#menubar li:nth-child(4) { animation-delay: 0.25s; }
#menubar li:nth-child(5) { animation-delay: 0.3s; }
#menubar li:nth-child(6) { animation-delay: 0.35s; }

#menubar a {
  background: transparent;
  color: var(--base-inverse-color);
  font-size: 1.1rem;
  font-weight: 500;
  padding: 1rem;
  border-radius: 8px;
  transition: background-color 0.3s ease;
}
#menubar a i {
  margin-right: 0.8em;
  color: var(--primary-color);
}
#menubar a:hover {
  background-color: var(--primary-color);
  color: var(--primary-inverse-color);
}
#menubar .submenu-toggle {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
#menubar .submenu-arrow {
    transition: transform 0.3s ease;
}
#menubar .submenu-arrow.open {
    transform: rotate(180deg);
}
#menubar .submenu {
    display: none;
    margin: 0.5rem 0 1rem 1.5rem;
    padding-top: 0.5rem;
    border-left: 2px solid var(--primary-color);
}
#menubar .submenu li a {
    font-size: 0.95rem;
    font-weight: normal;
    background-color: rgba(0, 0, 0, 0.04);
    padding: 0.8rem 1.5rem;
    margin-bottom: 5px;
}
#menubar .submenu li a:hover {
    background-color: var(--primary-color);
    color: var(--primary-inverse-color);
}

/* Hamburger Button */
#menubar_hdr {
	animation: fadeIn 0s 0.2s both;
	position: fixed;z-index: 101;
	cursor: pointer;
	right: 0px;
	top: 0px;
	padding: 20px 15px;
	width: 60px;
	height: 60px;
	display: flex;
	flex-direction: column;
	justify-content: space-between;
	transform-origin: right top;
	background: var(--base-inverse-color);
	border-radius: 0px 0px 0px 10px;
}
#menubar_hdr span {
	display: block;
	transition: 0.3s;
	border-top: 1.5px solid var(--base-color);
}
#menubar_hdr.ham {
	background: #ff0000;
}
#menubar_hdr.ham span:nth-of-type(1),
#menubar_hdr.ham span:nth-of-type(3) {
	transform-origin: center center;
}
#menubar_hdr.ham span:nth-of-type(1){
	transform: rotate(45deg) translate(6px, 5.8px);
}
#menubar_hdr.ham span:nth-of-type(3){
	transform: rotate(-45deg) translate(7px, -7px);
}
#menubar_hdr.ham span:nth-of-type(2){
	display: none;
}

/* Main Content Area
---------------------------------------------------------------------------*/
main {
	flex: 1 0 auto;
	overflow-x: hidden;
	margin-top: 80px; /* Mobile header height margin */
}
@media screen and (min-width:700px) {
	main {
		margin-top: 200px; /* PC header height margin */
	}
}

/* Sister Sites Section (Used in this page)
---------------------------------------------------------------------------*/
.sister-sites-section {
    background-color: #f8f9fa;
    padding: 4rem 2rem;
    margin-top: 5rem;
    border-top: 1px solid #eee;
}

.sister-sites-section h2 {
    text-align: center;
    font-size: 1.8rem;
    margin-bottom: 3rem;
}

.sister-sites-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    max-width: 1100px;
    margin: 0 auto;
}

.site-card {
    display: flex;
    align-items: center;
    background-color: #fff;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    text-decoration: none;
    color: var(--base-inverse-color);
    transition: all 0.3s ease;
    border: 1px solid #eee;
}

.site-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
    border-color: var(--primary-color);
    opacity: 1;
}

.site-card .card-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-right: 1.5rem;
}

.site-card h3 {
    margin: 0 0 0.5rem 0;
    font-size: 1.3rem;
}

.site-card p {
    margin: 0;
    font-size: 0.9rem;
    line-height: 1.8;
    color: #555;
}

/* Utility Classes
---------------------------------------------------------------------------*/
.clearfix::after {content: "";display: block;clear: both;}
.pc {display: none;}
.dn {display: none !important;}
.block {display: block !important;}
.inline-block {display: inline-block !important;}
.relative {position: relative;}

/* Media Queries
---------------------------------------------------------------------------*/

/* Tablet / PC Adjustments */
@media screen and (min-width:700px) {
	header {
		height: 90px;
	}
	#logo img {
		width: 250px;
	}
	#menubar_hdr {
		transform: scale(1.5);
	}
	footer {
		flex-direction: row;
		gap: 4rem;
		padding: 4rem;
	}
	footer div:nth-of-type(1) {
		text-align: left;
		width: 30%;
	}
	footer div:nth-of-type(2) {
		justify-content: flex-end;
		gap: 4rem;
	}
	.icons {
		justify-content: flex-start;
	}
}

/* Sister Sites Grid for Tablet/PC */
@media screen and (min-width: 768px) {
    .sister-sites-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Desktop Navigation Menu Logic */
@media screen and (min-width:900px) {
	header > nav > ul {
		margin-right: 100px;
		display: flex;
	}
	header nav li a {
		font-size: 0.9rem;
		padding: 0.5rem 1rem;
	}
	header nav i {
		padding-right: 0.5rem;
	}
	.pc {display: block;}

    /* Dropdown Menu logic */
	header nav li.ddmenu_parent {
		position: relative;
	}
	header nav li.ddmenu_parent a i {
		margin-left: 0.5em;
		transition: transform 0.3s ease;
	}
    header nav li.ddmenu_parent ul {
        display: block;
        position: absolute;
        top: 100%;
        left: 50%;
        transform: translateX(-50%);
        width: 180px;
        background-color: var(--base-color);
        border-radius: 8px;
        box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        padding: 0.5rem;
        margin-top: 0;
        padding-top: 15px;
        opacity: 0;
        visibility: hidden;
        transform: translate(-50%, 10px);
        transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s;
    }
	header nav li.ddmenu_parent:hover > ul {
		opacity: 1;
		visibility: visible;
		transform: translate(-50%, 0);
	}
	header nav li.ddmenu_parent ul li a {
		display: block;
		padding: 0.8rem 1rem;
		margin: 0;
		color: var(--base-inverse-color);
		background: none;
		border: none;
		border-radius: 5px;
		font-size: 0.9em;
		text-align: center;
		transition: background-color 0.2s ease, color 0.2s ease;
	}
	header nav li.ddmenu_parent ul li a:hover {
		background-color: var(--primary-color);
		color: var(--primary-inverse-color);
		opacity: 1;
	}
}

@media screen and (min-width:1000px) {
	html, body {
		font-size: 14px;
	}
}

@media screen and (min-width:1600px) {
	html, body {
		font-size: 1vw;
	}
}

/* Mobile Logo Adjustments */
@media screen and (max-width: 899px) {
    header {
        height: 70px; 
        display: flex;
        align-items: center;
    }
    #logo {
        padding: 0 !important;
        margin: 0;
        margin-top: 50px;
        margin-left: 15px;
        display: flex;
        align-items: center;
        height: 100%;
    }
    #logo img {
        width: 140px; 
        height: auto;
    }
    footer div:nth-of-type(1) {
        display: flex;
        flex-direction: column;
        align-items: center;
        width: 100%;
    }
    .logopc {
        width: auto !important;
        max-width: 200px;
        margin: 0 auto 15px auto;
    }
    .logopc img {
        width: 100%;
        height: auto;
    }
}